Series editor's introduction -- Introduction. Some content-analytic studies ; Issues in content analysis ; Concluding remarks -- Content classification and interpretation. Reliability ; Validity ; Creating and testing a coding scheme ; Dictionaries and computerized text classification ; Single versus multiple classification ; Assumed versus inferred categories ; Alternative classification schemes and substantive results ; Units of aggregation problems ; Concluding remarks -- Techniques of content analysis. Document selection and sampling ; Text encoding ; Key-word-in-context lists and concordances ; Word frequency lists ; Retrievals from coded text ; Category counts ; Measurement models ; Accounting for content I: characteristics of the message producers ; Changes in the socioeconomic system -- Interpretation and the future of content analysis. Interpretive problems in content analysis ; Computational hermeneutics -- Appendix: Computer software and text data analysis